remove broken fdputd(3)

libio/libio.c

@@ -1,5 +1,3 @@
-#include <ctype.h>
-#include <string.h>
 #include <unistd.h>
 #include "libio.h"
 
@@ -57,37 +55,12 @@ fdprint(int fd, char *s){
 	return _write(fd, s, strlen(s));
 }
 
-int
-fdputd(int fd, int d){
-	int r;
-	int s;
-
-	r = 0;
-	/* Just an implementation looking for a math person to improve it... */
-	/* Rather than storing the log base 10 of d, store 10^(log base 10 (d))
-	 * which requires less Weird Hax. Then slowly chop off digits and print
-	 * out the system encoding's representations. Finally, print a newline.
-	 * Generally this function is slow and sucks implementation-wise. */
-	if(d < 100){
-		s = d < 10 ? 1 : 10;
-		goto put;
-	}
-	for(s = 10; d > (s *= 10););
-put:	while(s > 0){
-		r += _write1(fd, (d - (d % s)) / s + '0');
-		if((s /= 10) == 0)
-			r += _write1(fd, '\n');
-	}
-
-	return r;
-}
-
 int
 fdputs(int fd, char *s){
 	int i;
 	int r;
 
-	i = strlen(s);
+	i = _strlen(s);
 
 	/* RACE CONDITION */
 	/* This leaves s as an invalid string while the write(2) syscall is
@@ -108,7 +81,7 @@ parse_uint(char *s){
 	unsigned int r;
 	for(
 		r = 0;
-		isdigit(*s);
+		_isdigit(*s);
 		r = r * 10 + *s - '0',
 			++s
 	);